Barka, the Dread Host

Flying
Whenever Barka enters the battlefield and at the begining of your upkeep, you gain 2 life.
Sacrifice a creature:Put a +1/+1 counter on target creature. It gains menace until end of turn.
At the beginning of each end step ,you may pay
{b/g} and X life,where X is the amount of life you
gained this turn .If you do, create X 1/1 green
and black saproling creature tokens.